// 类的继承 父类
class People {
    constructor(name) {
        this.name = name
    }
    eat() {
        console.log(`${this.name} eat something`)
    }
}

// 子类
class Student extends People {
    constructor(name,number) {
        super(name)
        this.number = number
    }
    sayHi() {
        console.log(`姓名${this.name}，学号 ${this.number}`)
    }
}

// 子类
class Teacher extends People {
    constructor(name,major) {
        super(name)
        this.major = major
    }
    teach() {
        console.log(`${this.name} 教授${this.major}`)
    }
}

const xialuo = new Student('夏洛', 100)
const wang = new Teacher('王老师','语文')

console.log(xialuo.name)
console.log(xialuo.number)
xialuo.sayHi()

console.log(wang.name)
console.log(wang.major)
wang.teach()